Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Crescent 37%

03:35

10:45

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 Good
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Good
18 Good
19 OK
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:31, Set: 17:50, Transit: 12:10. Moon - Rise: 03:35, Set: 10:45. Civil Dark: 18:24 - 05:56. Nautical Dark: 19:04 - 05:16. Astro Dark: 19:45 - 04:36

Total Clouds (% Sky Obscured)

83
90
86
88
78
49
34
20
32
33
28
24
57
98
100
100
70
1
9
42
83
92
59
74

Low Clouds (% Sky Obscured)

83
90
86
88
78
49
34
20
32
33
28
24
57
98
100
100
70
1
0
3
60
81
41
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
29
81
56
38
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
3
63
7
63

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
5
6
6
5
5
5
5
6
6
5
5
5
5
4
4
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

0
-0
-1
-1
-1
-2
-2
-1
-0
2
3
5
5
6
8
8
8
7
5
4
3
2
2
2

Feels Like (°C)

-2
-3
-3
-4
-5
-5
-5
-4
-3
-1
0
2
3
4
6
7
7
6
3
2
1
0
-1
-1

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-4
-4
-3
-3
-2
-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

83
84
86
87
88
87
85
84
81
74
68
64
61
58
54
53
54
59
67
74
79
83
85
86

Pressure (mb)

1031
1031
1031
1030
1030
1029
1029
1029
1028
1028
1028
1028
1027
1026
1025
1025
1024
1024
1024
1025
1025
1025
1025
1025

Ozone (du)

387
386
382
378
374
374
374
372
372
373
374
371
369
370
368
370
369
369
367
368
371
373
371
368

Monday 8

Waning Crescent 26%

04:36

11:45

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:28, Set: 17:52, Transit: 12:10. Moon - Rise: 04:36, Set: 11:45. Civil Dark: 18:26 - 05:54. Nautical Dark: 19:06 - 05:14. Astro Dark: 19:47 - 04:33

Total Clouds (% Sky Obscured)

99
98
98
96
99
98
99
100
98
98
98
100
95
91
86
87
85
81
78
90
86
95
98
100

Low Clouds (% Sky Obscured)

21
27
34
37
32
28
10
18
1
1
9
61
29
5
64
59
52
23
13
11
20
42
64
71

Medium Clouds (% Sky Obscured)

34
41
47
95
91
94
92
88
94
95
97
98
90
84
68
42
81
80
76
89
85
95
98
100

High Clouds (% Sky Obscured)

99
98
96
63
98
83
97
99
98
92
85
79
66
56
48
74
41
1
25
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
8
12
18
17
23
27
22
14
9
6
4
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.02
0.06
0.06
0.11
0.14
0.13
0.09
0.04
0.05
0.03
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
6
6
6
6
7
8
8
8
8
8
7
8
7
8
8
8
8
8
9

Chance of Frost

Temperature (°C)

2
2
2
2
2
1
1
2
2
4
5
6
7
8
9
10
10
10
8
7
6
5
5
5

Feels Like (°C)

-1
-1
-1
-1
-1
-2
-1
-1
-1
1
2
3
4
5
7
8
10
8
6
4
3
2
2
2

Dew Point (°C)

0
0
0
0
0
-0
-0
0
1
2
3
4
5
5
6
6
6
5
5
4
4
4
4
4

Relative Humidity (%)

88
88
89
90
90
90
90
91
91
89
88
87
87
85
81
77
74
75
79
84
87
89
90
91

Pressure (mb)

1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

372
373
374
372
369
369
369
371
372
374
371
365
359
359
358
360
362
361
357
354
350
346
344
343

Tuesday 9

Waning Crescent 17%

05:22

12:55

00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 OK
06 Good
07 Good
08 Good
09 Good
10 OK
11 Good
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:26, Set: 17:54, Transit: 12:10. Moon - Rise: 05:22, Set: 12:55. Civil Dark: 18:28 - 05:52. Nautical Dark: 19:08 - 05:12. Astro Dark: 19:49 - 04:31

Total Clouds (% Sky Obscured)

100
95
59
28
24
13
3
0
0
0
20
6
16
16
16
16
16
16
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
63
48
15
1
0
0
0
0
0
0
3
16
16
16
16
16
16
70
70
70
70
70
70

Medium Clouds (% Sky Obscured)

99
95
52
27
24
13
3
0
0
0
0
0
0
0
0
0
0
0
66
66
66
66
66
66

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
20
2
2
2
2
2
2
2
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
5
7
5
3
0
0
0
0
0
0
11
8
6
5
4
3
3
3
0
0
2
4

Precipitation Amount (mm)

0
0.01
0.03
0.05
0.04
0.01
0
0
0
0
0
0
0.05
0.05
0.03
0.01
0.01
0.01
0.02
0.01
0
0
0.01
0.04

Wind Speed/Direction (mph)

7
8
8
9
9
10
8
9
10
11
11
12
11
12
13
14
13
13
12
14
16
18
20
21

Chance of Frost

Temperature (°C)

4
4
3
3
3
3
2
2
3
4
6
7
9
10
11
12
11
10
9
8
8
8
8
8

Feels Like (°C)

1
0
-0
-1
-1
-1
-2
-2
-1
1
2
4
6
7
11
12
11
10
6
5
4
4
3
3

Dew Point (°C)

2
2
2
2
2
2
0
0
1
2
3
3
5
5
6
6
6
5
6
6
5
5
5
5

Relative Humidity (%)

90
91
91
92
91
91
89
89
88
85
81
78
80
74
70
68
70
71
80
83
83
82
82
83

Pressure (mb)

1021
1020
1020
1019
1019
1019
1020
1020
1020
1020
1020
1019
1018
1017
1017
1017
1016
1016
1015
1015
1015
1014
1013
1012

Ozone (du)

342
344
349
353
353
350
348
348
350
350
350
353
364
364
361
354
352
350
339
337
334
333
329
328

Wednesday 10

Waning Crescent 10%

05:55

14:12

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:24, Set: 17:56, Transit: 12:10. Moon - Rise: 05:55, Set: 14:12. Civil Dark: 18:30 - 05:49. Nautical Dark: 19:10 - 05:09. Astro Dark: 19:51 - 04:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
65
65
65
65
65
65
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
95
95
95
95
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

16
39
54
57
52
54
64
50
37
38
34
30
25
36
45
45
53
58
67
62
38
33
18
19

Precipitation Amount (mm)

0.1
0.39
0.52
0.48
0.37
0.4
0.47
0.24
0.15
0.18
0.17
0.14
0.13
0.14
0.21
0.28
0.4
0.51
0.72
0.59
0.19
0.2
0.16
0.17

Wind Speed/Direction (mph)

22
24
25
25
25
24
23
22
21
19
18
16
17
16
14
14
15
17
19
22
24
25
27
28

Chance of Frost

Temperature (°C)

8
8
8
8
8
9
9
10
10
10
11
10
10
10
10
11
11
12
12
13
13
13
13
12

Feels Like (°C)

4
4
4
4
4
4
5
6
6
10
11
10
10
10
10
11
11
12
12
13
13
13
13
12

Dew Point (°C)

6
6
7
7
7
7
8
9
10
10
10
10
9
9
9
10
10
11
11
12
12
12
11
11

Relative Humidity (%)

87
87
89
89
90
91
93
95
98
99
97
96
93
93
94
95
95
93
94
93
92
91
91
91

Pressure (mb)

1011
1008
1007
1005
1004
1003
1002
1002
1002
1002
1002
1001
1001
1000
999
998
997
996
995
994
993
992
991
990

Ozone (du)

325
326
327
328
330
335
339
340
340
339
335
332
331
328
324
318
315
310
308
306
305
306
305
304

Thursday 11

Waning Crescent 4%

06:20

15:29

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:21, Set: 17:57, Transit: 12:09. Moon - Rise: 06:20, Set: 15:29. Civil Dark: 18:32 - 05:47. Nautical Dark: 19:12 - 05:07. Astro Dark: 19:53 - 04:26

Total Clouds (% Sky Obscured)

62
62
62
62
62
62
33
33
33
33
33
33
52
52
52
52
52
52
71
71
71
71
71
71

Low Clouds (% Sky Obscured)

62
62
62
62
62
62
16
16
16
16
16
16
25
25
25
25
25
25
15
15
15
15
15
15

Medium Clouds (% Sky Obscured)

16
16
16
16
16
16
23
23
23
23
23
23
17
17
17
17
17
17
43
43
43
43
43
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
39
39
39
39
39
39
60
60
60
60
60
60

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

21
20
14
13
13
14
25
22
19
14
14
16
10
10
12
14
11
9
7
5
4
4
4
0

Precipitation Amount (mm)

0.21
0.25
0.16
0.14
0.09
0.09
0.16
0.08
0.05
0.02
0.02
0.03
0.02
0.03
0.04
0.04
0.04
0.03
0.02
0.01
0.01
0.01
0.01
0

Wind Speed/Direction (mph)

27
28
31
31
31
32
32
32
33
33
33
33
35
35
35
33
30
26
24
24
26
27
28
27

Chance of Frost

Temperature (°C)

13
12
11
10
9
9
8
8
8
9
9
9
10
10
10
10
9
8
7
7
7
7
7
7

Feels Like (°C)

13
12
11
5
4
4
3
3
3
4
4
4
5
10
5
5
4
3
3
3
2
2
2
2

Dew Point (°C)

12
11
8
7
7
6
6
6
6
6
6
5
4
4
4
3
3
2
1
1
1
2
2
3

Relative Humidity (%)

96
94
85
84
83
84
88
88
87
83
80
76
68
66
65
65
65
64
65
64
65
67
71
76

Pressure (mb)

988
987
987
986
985
985
984
984
985
985
986
987
987
988
989
990
991
991
992
993
994
995
996
997

Ozone (du)

310
318
328
336
347
364
374
381
385
400
405
402
398
401
402
405
409
413
416
418
418
417
413
407

Friday 12

Waning Crescent 1%

06:39

16:45

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:19, Set: 17:59, Transit: 12:09. Moon - Rise: 06:39, Set: 16:45. Civil Dark: 18:33 - 05:45. Nautical Dark: 19:14 - 05:05. Astro Dark: 19:55 - 04:23

Total Clouds (% Sky Obscured)

97
97
97
97
97
97
84
84
84
84
84
84
27
27
27
27
27
27
61
61
61
61
61
61

Low Clouds (% Sky Obscured)

88
88
88
88
88
88
16
16
16
16
16
16
20
20
20
20
20
20
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

74
74
74
74
74
74
1
1
1
1
1
1
19
19
19
19
19
19
2
2
2
2
2
2

High Clouds (% Sky Obscured)

81
81
81
81
81
81
81
81
81
81
81
81
0
0
0
0
0
0
60
60
60
60
60
60

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
3
4
0
0
0
0
6
6
6
6
4
4
4
4
3
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.01
0
0
0
0
0.01
0.01
0.02
0.01
0.01
0.01
0.02
0.02
0.01
0
0
0
0

Wind Speed/Direction (mph)

26
26
25
23
22
20
19
20
20
21
21
22
22
22
22
21
19
16
14
13
12
12
12
12

Chance of Frost

Temperature (°C)

7
7
8
8
7
7
6
6
7
7
8
9
9
10
11
12
11
10
9
8
7
7
6
6

Feels Like (°C)

1
2
3
3
3
2
2
2
2
3
3
4
5
10
11
12
11
10
6
5
4
3
3
3

Dew Point (°C)

4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4

Relative Humidity (%)

80
79
76
74
76
78
79
78
77
75
71
67
63
59
56
55
56
60
65
69
74
78
82
85

Pressure (mb)

998
999
1000
1001
1001
1001
1002
1002
1003
1003
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1003
1003
1003
1003

Ozone (du)

403
401
400
399
397
395
394
397
401
404
405
405
404
404
403
404
407
411
415
418
420
421
421
421

Saturday 13

New Moon 0%

06:55

17:59

00 OK
01 OK
02 OK
03 OK
04 OK
05 Good
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:17, Set: 18:01, Transit: 12:09. Moon - Rise: 06:55, Set: 17:59. Civil Dark: 18:35 - 05:42. Nautical Dark: 19:16 - 05:02. Astro Dark: 19:57 - 04:21

Total Clouds (% Sky Obscured)

3
3
3
3
3
3
98
98
98
98
98
98
100
100
100
100
100
100
62
62
62
62
62
62

Low Clouds (% Sky Obscured)

3
3
3
3
3
3
7
7
7
7
7
7
88
88
88
88
88
88
31
31
31
31
31
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
94
94
94
94
94
94
100
100
100
100
100
100
21
21
21
21
21
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
88
88
88
88
88
88
99
99
99
99
99
99
50
50
50
50
50
50

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
9
8
8
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

4
6
15
20
14
6
0
0
0
0
11
18
22
22
18
15
15
18
22
29
33
35
24
12

Precipitation Amount (mm)

0.01
0.01
0.06
0.1
0.06
0.01
0
0
0
0
0.01
0.05
0.11
0.14
0.16
0.17
0.16
0.19
0.25
0.33
0.43
0.44
0.23
0.04

Wind Speed/Direction (mph)

12
12
12
11
11
10
9
9
9
8
8
7
7
7
8
9
10
12
13
14
15
15
14
13

Chance of Frost

Temperature (°C)

6
6
6
6
6
5
5
5
6
7
8
9
10
10
11
11
10
9
9
8
8
7
7
6

Feels Like (°C)

3
3
3
3
2
2
2
2
3
4
6
7
8
10
11
11
10
7
5
5
4
3
3
3

Dew Point (°C)

4
5
5
5
5
4
4
5
5
6
6
6
6
6
6
6
5
5
5
6
6
6
5
5

Relative Humidity (%)

88
91
92
93
93
94
94
94
95
94
90
85
77
72
69
69
70
74
79
85
89
91
91
91

Pressure (mb)

1003
1002
1002
1002
1001
1001
1001
1001
1000
1000
999
999
998
997
997
996
995
994
994
993
993
993
993
994

Ozone (du)

421
424
428
431
433
433
434
436
438
441
443
445
447
447
447
448
451
454
457
459
460
460
461
462

Forecast for Boston, Lincolnshire, UK (52.98,-0.02)

Generated: 07/03/21 00:24:38. Forecast: 07/03/21 to 13/03/21. Timezone: UTC+0.00